随笔分类 - 数学-杜教筛

摘要：#include <bits/stdc++.h> using namespace std; #define ll long long int cnt, n; map<int, long long> mpu, mpphi; int prime[10000010], mu[10000010], v[10 阅读全文

posted @ 2021-09-16 21:17 Qihoo360 阅读(46) 评论(0) 推荐(0)